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Finding the Fourth Proportional to 606,610.70, 909,829.64 and 207,269.90

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Solution

The fourth proportional to 606,610.70, 909,829.64 and 207,269.90 is: 310,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,610.70 : 909,829.64 = 207,269.90 : x
  2. Step 2: Convert to fraction form
    606,610.70/909,829.64 = 207,269.90/x
  3. Step 3: Cross multiply
    606,610.70x = 909,829.64 × 207,269.90
  4. Step 4: Simplify right side
    606,610.70x = 188,580,298,499.84
  5. Step 5: Solve for x
    x = 188,580,298,499.84/606,610.70
  6. Step 6: Final answer
    x = 310,875.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.